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name: duk_get_global_string
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proto: |
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duk_bool_t duk_get_global_string(duk_context *ctx, const char *key);
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stack: |
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[ ... ] -> [ ... val! ] (if key exists)
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[ ... ] -> [ ... undefined! ] (if key doesn't exist)
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summary: |
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<p>Get property named <code>key</code> from the global object.
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Returns non-zero if the property exists and zero otherwise.
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This is a convenience function which does the equivalent of:</p>
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<pre class="c-code">
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duk_bool_t ret;
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duk_push_global_object(ctx);
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ret = duk_get_prop_string(ctx, -1, key);
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duk_remove(ctx, -2);
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/* 'ret' would be the return value from duk_get_global_string() */
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</pre>
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example: |
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(void) duk_get_global_string(ctx, "encodeURIComponent");
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duk_push_string(ctx, "foo bar");
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duk_call(ctx, 1); /* [ ... encodeURIComponent "foo bar" ] -> [ "foo%20bar" ] */
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printf("encoded: %s\n", duk_to_string(ctx, -1));
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duk_pop(ctx);
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tags:
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- property
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seealso:
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- duk_put_global_string
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introduced: 1.0.0
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